125 citations · 412 across the 20 of their papers we have counts for
20 papers
Boundary-Robust Transmission Asymmetry as a Topological Signature in Open Floquet Lattices
Ren Zhang, Xiao-Yu Ouyang, Xu-Dong Dai +1
We identify a boundary-robust topological signature of open Floquet lattices: although nonadiabatic boundaries strongly reshape the transmission lineshape, the integrated left--rig…
Scattering-state theory of open Floquet lattices: transfer matrices, branch openness, and robust asymmetry
Ren Zhang, Xiao-Yu Ouyang, Xu-Dong Dai +1
We establish a scattering-state theory for open one-dimensional Floquet lattices based on a frequency-domain transfer-matrix formulation. For real quasienergy, the conjugate-symple…
Emergent Universal Quench Dynamics in Randomly Interacting Spin Models
Yuchen Li, Tian-Gang Zhou, Ze Wu +9
Universality often emerges in low-energy equilibrium physics of quantum many-body systems, despite their microscopic complexity and variety. Recently, there has been a growing inte…
Universal energy-dependent pseudopotential for the two-body problem of confined ultracold atoms
Da-Wu Xiao, Ren Zhang, Peng Zhang
The two-body scattering amplitude and energy spectrum of confined ultracold atoms are of fundamental importance for studies of ultracold atom physics. For many systems, one can eff…
Asymmetric Conductivity of the Kondo Effect in Cold Atomic Systems
Yanting Cheng, Xin Chen, Ren Zhang
Motivated by recent theoretical and experimental advances in quantum simulations using alkaline earth(AE) atoms, we put forward a proposal to detect the Kondo physics in a cold ato…
Analytical solution for the spectrum of two ultracold atoms in a completely anisotropic confinement
Yue Chen, Da-Wu Xiao, Ren Zhang +1
We study the system of two ultracold atoms in a three-dimensional (3D) or two-dimensional (2D) completely anisotropic harmonic trap. We derive the algebraic equation J_{3D}(E) = 1/…
Confinement Induced Resonance with Weak Bare Interaction in a Quasi 3+0 Dimensional Ultracold Gas
Dawu Xiao, Ren Zhang, Peng Zhang
Confinement induced resonance (CIR) is a useful tool for the control of the interaction between ultracold atoms. In most cases the CIR occurs when the characteristic length atrap o…
Interaction Control of Ultracold Alkaline-Earth Atoms
Ren Zhang, Yanting Cheng, Peng Zhang +1
Ultracold alkaline-earth atoms have now been widely explored for precision measurements and quantum simulation. Because of its unique atomic structure, alkaline earth atoms possess…
Tight-Binding Kondo Model and Spin-Exchange Collision Rate of Alkaline-Earth Atoms in a Mixed-Dimensional Optical Lattice
Ren Zhang, Peng Zhang
We study the two-body problem of the ultracold fermionic alkaline-earth (like) atoms in the electronic S state (-state) and P state (-state), which are confin…
Efimov Enhanced Kondo Effect in Alkaline and Alkaline-Earth Atomic Gas Mixture
Juan Yao, Hui Zhai, Ren Zhang
Recent experiment has observed Feshbach resonances between alkaline and alkaline-earth atoms. These Feshbach resonances are insensitive to the nuclear spin of alkaline-earth atoms.…
Control of Spin-Exchange Interaction between Alkali-Earth Atoms via Confinement-Induced Resonances in a Quasi 1+0 Dimensional System
Ren Zhang, Peng Zhang
A nuclear-spin exchange interaction exists between two ultracold fermionic alkali-earth (like) atoms in the electronic state (-state) and sta…
Emergent interlayer nodal superfluidity of a dipolar fermi gas in bilayer optical lattices
Bo Liu, Peng Zhang, Ren Zhang +2
Understanding the interplay between magnetism and superconductivity is one of the central issues in condensed matter physics. Such interplay induced nodal structure of superconduct…
Universal Feature in Optical Control of a p-wave Feshbach Resonance
Peng Peng, Ren Zhang, Lianghui Huang +6
In this Letter we report the experimental results on optical control of a p-wave Feshbach resonance, by utilizing a laser driven bound-to-bound transition to shift the energy of cl…
Enhancing Kondo Coupling in Alkaline-Earth Atomic Gases with Confinement-induced Resonances in Mixed Dimensions
Yanting Cheng, Ren Zhang, Peng Zhang +1
The Kondo effect describes the spin-exchanging interaction between localized impurity and the itinerant fermions. The ultracold alkaline-earth atomic gas provides a natural platfor…
Quantum Defect Theory for Orbital Feshbach Resonance
Yanting Cheng, Ren Zhang, Peng Zhang
In the ultracold gases of alkali-earth (like) atoms, a new type of Feshbach resonance, i.e., the orbital Feshbach resonance (OFR), has been proposed and experimentally observed in…
Orbital Feshbach Resonance: A "Wide" Narrow Resonance for Higher Transition Temperature Fermi Superfluid
Junjun Xu, Ren Zhang, Yanting Cheng +3
In this letter we show that the recently theoretically predicted and experimentally observed "orbital Feshbach resonance" in alkali-earth-like Yb-173 atom is a narrow resonance in…
Orbital Feshbach Resonance with Small Energy Gap between Open and Closed Channels
Yanting Cheng, Ren Zhang, Peng Zhang
Recently a new type of Feshbach resonance, i.e., orbital Feshbach resonance (OFR) was proposed for the ultracold alkali-earth (like) atoms, and experimentally observed in the ultra…
Kondo Effect in Alkali-Earth Atomic Gases with Confinement-induced Resonance
Ren Zhang, Deping Zhang, Yanting Cheng +3
Alkali-earth atoms have a long-lived electronic excited state, which can be localized in the Fermi sea of ground state atoms by an external potential and serve as magnetic impuriti…
Orbital Feshbach Resonance in Alkali-Earth Atoms
Ren Zhang, Yanting Cheng, Hui Zhai +1
For a mixture of alkali-earth atomic gas in the long-lived excited state and ground state , in addition to nuclear spin, another "orbital" index is introduced to…
Calibration of Interaction Energy between Bose and Fermi Superfluids
Ren Zhang, Wei Zhang, Hui Zhai +1
In this letter we study the interaction energy in a mixture of Bose and Fermi superfluids realized in recent cold atom experiment. On the Bose-Einstein-condensate (BEC) side of a F…